| /* |
| * Copyright (c) 2017 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "arm_compute/runtime/OffsetLifetimeManager.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/runtime/IAllocator.h" |
| #include "arm_compute/runtime/IMemoryGroup.h" |
| #include "arm_compute/runtime/OffsetMemoryPool.h" |
| #include "support/ToolchainSupport.h" |
| |
| #include <algorithm> |
| #include <cmath> |
| #include <map> |
| #include <vector> |
| |
| using namespace arm_compute; |
| |
| OffsetLifetimeManager::OffsetLifetimeManager() |
| : _blob(0) |
| { |
| } |
| |
| std::unique_ptr<IMemoryPool> OffsetLifetimeManager::create_pool(IAllocator *allocator) |
| { |
| ARM_COMPUTE_ERROR_ON(allocator == nullptr); |
| return support::cpp14::make_unique<OffsetMemoryPool>(allocator, _blob); |
| } |
| |
| MappingType OffsetLifetimeManager::mapping_type() const |
| { |
| return MappingType::OFFSETS; |
| } |
| |
| void OffsetLifetimeManager::update_blobs_and_mappings() |
| { |
| ARM_COMPUTE_ERROR_ON(!are_all_finalized()); |
| ARM_COMPUTE_ERROR_ON(_active_group == nullptr); |
| |
| // Update blob size |
| size_t max_group_size = std::accumulate(std::begin(_active_elements), std::end(_active_elements), static_cast<size_t>(0), [](size_t s, const Element & e) |
| { |
| return s + e.size; |
| }); |
| _blob = std::max(_blob, max_group_size); |
| |
| // Calculate group mappings |
| auto &group_mappings = _active_group->mappings(); |
| size_t offset = 0; |
| for(auto &e : _active_elements) |
| { |
| group_mappings[e.handle] = offset; |
| offset += e.size; |
| ARM_COMPUTE_ERROR_ON(offset > _blob); |
| } |
| } |